MIC2211-VVYML-TR

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Voltage regulation is an extremely important component of modern power systems. Linear regulators, a type of voltage regulator, offer some of the greatest precision and durability in the industry. The MIC2211-VVYML-TR is a popular linear voltage regulator that has earned a good reputation in the electronics world. In this article, we will look at the applications and working principles of the MIC2211-VVYML-TR.

Application of the MIC2211-VVYML-TR

The MIC2211-VVYML-TR is a three-pin, fixed negative voltage regulator, suitable for applications that require a steady voltage between -3V and -18V. It offers a very high level of accuracy, with a typical 0.2% line and load regulation, and a minimum load current of 20 mA. It is a surface-mount regulator with a maximum operating temperature of +85°C. This makes it an ideal choice for a variety of applications such as mobile phones, tablets, set-top boxes, digital cameras, medical devices, and automotive electronics.

Working Principle of the MIC2211-VVYML-TR

The MIC2211-VVYML-TR operates as a three-terminal negative voltage regulator. The first two terminals are the input and output, while the third terminal is the ground. When the input voltage exceeds the output voltage, the circuit will activate the power transistor and begin to transfer the excess power from the input to the output. This process continues until the input and output voltages become equal. In this state, the input power and output power become equal, and the circuit assumes a steady-state condition. The positive terminal on the output is connected to the ground, which is why the regulator produces a negative voltage.

The MIC2211-VVYML-TR includes internal current limiting and thermal shutdown features to protect it from overload and overheating. The current limit is set at 700 mA, while the thermal shutdown is set at +145°C. The MIC2211-VVYML-TR also includes an enable input that allows the user to switch off the regulator. This is useful in applications where power consumption must be minimized.

Conclusion

The MIC2211-VVYML-TR is an excellent choice for applications that require an adjustable negative voltage from -3V to -18V. It offers a high level of accuracy, outstanding protection features, and a maximum operating temperature of +85°C. Its three-terminal design and enable input further add to its versatility and ease of use. With its strong performance and wide range of applications, the MIC2211-VVYML-TR is an ideal choice for power electronics design.

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